Re: [PATCH v7 08/11] arm/arm64: Unexport restart handlers

From: Geert Uytterhoeven
Date: Thu Dec 04 2014 - 09:44:37 EST

Hi GÃnther,

On Thu, Dec 4, 2014 at 3:26 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> On 12/04/2014 05:36 AM, Geert Uytterhoeven wrote:
>> On Wed, Aug 20, 2014 at 2:45 AM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>>> Implementing a restart handler in a module don't make sense
>>> as there would be no guarantee that the module is loaded when
>>> a restart is needed. Unexport arm_pm_restart to ensure that
>>> no one gets the idea to do it anyway.
>> Why not? I was just going to do that, but I got greeted by:
> Because you should register a restart handler instead, like the other
> drivers in the same directory now do.

That's a different thing. "there would be no guarantee that the module is
loaded when a restart is needed" is also valid for restart handlers...

>> ERROR: "arm_pm_restart" [drivers/power/reset/rmobile-reset.ko] undefined!
>> So now we have to make sure all reset drivers for a zillion different
>> hardware devices are builtin, and can't be modular?
> No. All those drivers need to do is to register a restart handler using
> the API provided in the patch series.
> Ultimately all restart handlers should do that and arm_pm_restart should
> go away entirely. That was the point of the patch series.

Good. That's what I'm doing right know ;-)



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at